<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html lang="en">
<head>
<title>Source code</title>
<link rel="stylesheet" type="text/css" href="../../../../stylesheet.css" title="Style">
</head>
<body>
<div class="sourceContainer">
<pre><span class="sourceLineNo">001</span><a name="line.1"></a>
<span class="sourceLineNo">002</span>/*<a name="line.2"></a>
<span class="sourceLineNo">003</span> * Copyright (C) 2014 Archie L. Cobbs. All rights reserved.<a name="line.3"></a>
<span class="sourceLineNo">004</span> *<a name="line.4"></a>
<span class="sourceLineNo">005</span> * $Id: JObjectChooser.html 842 2015-03-07 18:20:42Z archie.cobbs $<a name="line.5"></a>
<span class="sourceLineNo">006</span> */<a name="line.6"></a>
<span class="sourceLineNo">007</span><a name="line.7"></a>
<span class="sourceLineNo">008</span>package org.jsimpledb.gui;<a name="line.8"></a>
<span class="sourceLineNo">009</span><a name="line.9"></a>
<span class="sourceLineNo">010</span>import com.vaadin.data.Property;<a name="line.10"></a>
<span class="sourceLineNo">011</span>import com.vaadin.server.Sizeable;<a name="line.11"></a>
<span class="sourceLineNo">012</span>import com.vaadin.shared.ui.combobox.FilteringMode;<a name="line.12"></a>
<span class="sourceLineNo">013</span>import com.vaadin.ui.AbstractSelect;<a name="line.13"></a>
<span class="sourceLineNo">014</span>import com.vaadin.ui.Button;<a name="line.14"></a>
<span class="sourceLineNo">015</span>import com.vaadin.ui.CheckBox;<a name="line.15"></a>
<span class="sourceLineNo">016</span>import com.vaadin.ui.ComboBox;<a name="line.16"></a>
<span class="sourceLineNo">017</span>import com.vaadin.ui.FormLayout;<a name="line.17"></a>
<span class="sourceLineNo">018</span>import com.vaadin.ui.HorizontalLayout;<a name="line.18"></a>
<span class="sourceLineNo">019</span>import com.vaadin.ui.HorizontalSplitPanel;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import com.vaadin.ui.TextArea;<a name="line.20"></a>
<span class="sourceLineNo">021</span><a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.util.Collections;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.util.HashSet;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>import org.jsimpledb.JClass;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import org.jsimpledb.JObject;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import org.jsimpledb.JSimpleDB;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import org.jsimpledb.core.ObjId;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import org.jsimpledb.parse.ParseSession;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.slf4j.Logger;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.slf4j.LoggerFactory;<a name="line.31"></a>
<span class="sourceLineNo">032</span><a name="line.32"></a>
<span class="sourceLineNo">033</span>/**<a name="line.33"></a>
<span class="sourceLineNo">034</span> * Contains widgets that allow choosing an object reference. Supports searching via Java expression and filtering.<a name="line.34"></a>
<span class="sourceLineNo">035</span> */<a name="line.35"></a>
<span class="sourceLineNo">036</span>@SuppressWarnings({ "serial", "deprecation" })<a name="line.36"></a>
<span class="sourceLineNo">037</span>public class JObjectChooser implements Property.ValueChangeNotifier {<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span>    protected final Logger log = LoggerFactory.getLogger(this.getClass());<a name="line.39"></a>
<span class="sourceLineNo">040</span><a name="line.40"></a>
<span class="sourceLineNo">041</span>    private final Button showButton = new Button("Show", new Button.ClickListener() {<a name="line.41"></a>
<span class="sourceLineNo">042</span>        @Override<a name="line.42"></a>
<span class="sourceLineNo">043</span>        public void buttonClick(Button.ClickEvent event) {<a name="line.43"></a>
<span class="sourceLineNo">044</span>            JObjectChooser.this.showButtonClicked();<a name="line.44"></a>
<span class="sourceLineNo">045</span>        }<a name="line.45"></a>
<span class="sourceLineNo">046</span>    });<a name="line.46"></a>
<span class="sourceLineNo">047</span>    private final CheckBox reverseCheckBox = new CheckBox("Reverse sort");<a name="line.47"></a>
<span class="sourceLineNo">048</span><a name="line.48"></a>
<span class="sourceLineNo">049</span>    private final JSimpleDB jdb;<a name="line.49"></a>
<span class="sourceLineNo">050</span>    private final ParseSession session;<a name="line.50"></a>
<span class="sourceLineNo">051</span>    private final boolean showFields;<a name="line.51"></a>
<span class="sourceLineNo">052</span>    private final TypeContainer typeContainer;<a name="line.52"></a>
<span class="sourceLineNo">053</span>    private final ExprQueryJObjectContainer objectContainer;<a name="line.53"></a>
<span class="sourceLineNo">054</span>    private final HashSet&lt;Property.ValueChangeListener&gt; listeners = new HashSet&lt;&gt;();<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
<span class="sourceLineNo">056</span>    private final HorizontalSplitPanel splitPanel = new HorizontalSplitPanel();<a name="line.56"></a>
<span class="sourceLineNo">057</span>    private final FormLayout showForm = new FormLayout();<a name="line.57"></a>
<span class="sourceLineNo">058</span>    private final TypeTable typeTable;<a name="line.58"></a>
<span class="sourceLineNo">059</span>    private final TextArea exprField = new TextArea();<a name="line.59"></a>
<span class="sourceLineNo">060</span>    private final ComboBox sortComboBox = new ComboBox();<a name="line.60"></a>
<span class="sourceLineNo">061</span><a name="line.61"></a>
<span class="sourceLineNo">062</span>    private JObjectTable objectTable;<a name="line.62"></a>
<span class="sourceLineNo">063</span>    private SortKeyContainer sortKeyContainer;<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>    /**<a name="line.65"></a>
<span class="sourceLineNo">066</span>     * Constructor.<a name="line.66"></a>
<span class="sourceLineNo">067</span>     *<a name="line.67"></a>
<span class="sourceLineNo">068</span>     * @param jdb database<a name="line.68"></a>
<span class="sourceLineNo">069</span>     * @param session session for evaluating expressions<a name="line.69"></a>
<span class="sourceLineNo">070</span>     * @param type type restriction, or null for none<a name="line.70"></a>
<span class="sourceLineNo">071</span>     * @param showFields true to show all object fields, false for just reference label<a name="line.71"></a>
<span class="sourceLineNo">072</span>     */<a name="line.72"></a>
<span class="sourceLineNo">073</span>    public JObjectChooser(JSimpleDB jdb, ParseSession session, Class&lt;?&gt; type, boolean showFields) {<a name="line.73"></a>
<span class="sourceLineNo">074</span>        if (jdb == null)<a name="line.74"></a>
<span class="sourceLineNo">075</span>            throw new IllegalArgumentException("null jdb");<a name="line.75"></a>
<span class="sourceLineNo">076</span>        if (session == null)<a name="line.76"></a>
<span class="sourceLineNo">077</span>            throw new IllegalArgumentException("null session");<a name="line.77"></a>
<span class="sourceLineNo">078</span>        this.jdb = jdb;<a name="line.78"></a>
<span class="sourceLineNo">079</span>        this.session = session;<a name="line.79"></a>
<span class="sourceLineNo">080</span>        this.showFields = showFields;<a name="line.80"></a>
<span class="sourceLineNo">081</span>        this.typeContainer = new TypeContainer(this.jdb, type);<a name="line.81"></a>
<span class="sourceLineNo">082</span>        this.typeTable = new TypeTable(this.typeContainer);<a name="line.82"></a>
<span class="sourceLineNo">083</span>        this.objectContainer = new ExprQueryJObjectContainer(this.jdb, this.typeContainer.getRootType(), this.session);<a name="line.83"></a>
<span class="sourceLineNo">084</span><a name="line.84"></a>
<span class="sourceLineNo">085</span>        // Build object panel<a name="line.85"></a>
<span class="sourceLineNo">086</span>        this.splitPanel.setWidth("100%");<a name="line.86"></a>
<span class="sourceLineNo">087</span>        this.splitPanel.setHeight(300, Sizeable.Unit.PIXELS);<a name="line.87"></a>
<span class="sourceLineNo">088</span>        this.splitPanel.setFirstComponent(this.typeTable);<a name="line.88"></a>
<span class="sourceLineNo">089</span>        this.splitPanel.setSecondComponent(new SizedLabel(" "));<a name="line.89"></a>
<span class="sourceLineNo">090</span>        this.splitPanel.setSplitPosition(20);<a name="line.90"></a>
<span class="sourceLineNo">091</span><a name="line.91"></a>
<span class="sourceLineNo">092</span>        // Build show form<a name="line.92"></a>
<span class="sourceLineNo">093</span>        this.showForm.setMargin(false);<a name="line.93"></a>
<span class="sourceLineNo">094</span>        this.showForm.setWidth("100%");<a name="line.94"></a>
<span class="sourceLineNo">095</span><a name="line.95"></a>
<span class="sourceLineNo">096</span>        // Add "Sort by" combo box and "Reverse sort" check box<a name="line.96"></a>
<span class="sourceLineNo">097</span>        final HorizontalLayout sortLayout = new HorizontalLayout();<a name="line.97"></a>
<span class="sourceLineNo">098</span>        sortLayout.setCaption("Sort by:");<a name="line.98"></a>
<span class="sourceLineNo">099</span>        sortLayout.setSpacing(true);<a name="line.99"></a>
<span class="sourceLineNo">100</span>        sortLayout.setMargin(false);<a name="line.100"></a>
<span class="sourceLineNo">101</span>        this.sortComboBox.setNullSelectionAllowed(false);<a name="line.101"></a>
<span class="sourceLineNo">102</span>        this.sortComboBox.setNewItemsAllowed(false);<a name="line.102"></a>
<span class="sourceLineNo">103</span>        this.sortComboBox.setTextInputAllowed(false);<a name="line.103"></a>
<span class="sourceLineNo">104</span>        this.sortComboBox.setFilteringMode(FilteringMode.OFF);<a name="line.104"></a>
<span class="sourceLineNo">105</span>        this.sortComboBox.setItemCaptionMode(AbstractSelect.ItemCaptionMode.PROPERTY);<a name="line.105"></a>
<span class="sourceLineNo">106</span>        this.sortComboBox.setItemCaptionPropertyId(SortKeyContainer.DESCRIPTION_PROPERTY);<a name="line.106"></a>
<span class="sourceLineNo">107</span>        this.sortComboBox.setImmediate(true);<a name="line.107"></a>
<span class="sourceLineNo">108</span>        this.reverseCheckBox.setImmediate(true);<a name="line.108"></a>
<span class="sourceLineNo">109</span>        sortLayout.addComponent(this.sortComboBox);<a name="line.109"></a>
<span class="sourceLineNo">110</span>        sortLayout.addComponent(this.reverseCheckBox);<a name="line.110"></a>
<span class="sourceLineNo">111</span>        this.showForm.addComponent(sortLayout);<a name="line.111"></a>
<span class="sourceLineNo">112</span><a name="line.112"></a>
<span class="sourceLineNo">113</span>        // Add show/expression field<a name="line.113"></a>
<span class="sourceLineNo">114</span>        this.exprField.setCaption("Expression:");<a name="line.114"></a>
<span class="sourceLineNo">115</span>        this.exprField.setRows(6);<a name="line.115"></a>
<span class="sourceLineNo">116</span>        this.exprField.setWidth("100%");<a name="line.116"></a>
<span class="sourceLineNo">117</span>        this.exprField.addStyleName("jsdb-fixed-width");<a name="line.117"></a>
<span class="sourceLineNo">118</span>        this.showForm.addComponent(this.exprField);<a name="line.118"></a>
<span class="sourceLineNo">119</span>        this.showForm.addComponent(this.showButton);<a name="line.119"></a>
<span class="sourceLineNo">120</span><a name="line.120"></a>
<span class="sourceLineNo">121</span>        // Listen to type selections<a name="line.121"></a>
<span class="sourceLineNo">122</span>        this.typeTable.addValueChangeListener(new Property.ValueChangeListener() {<a name="line.122"></a>
<span class="sourceLineNo">123</span>            @Override<a name="line.123"></a>
<span class="sourceLineNo">124</span>            public void valueChange(Property.ValueChangeEvent event) {<a name="line.124"></a>
<span class="sourceLineNo">125</span>                JObjectChooser.this.selectType((Class&lt;?&gt;)event.getProperty().getValue(), false);<a name="line.125"></a>
<span class="sourceLineNo">126</span>            }<a name="line.126"></a>
<span class="sourceLineNo">127</span>        });<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span>        // Listen to "Sort by" and "Reverse sort" selections<a name="line.129"></a>
<span class="sourceLineNo">130</span>        final Property.ValueChangeListener sortListener = new Property.ValueChangeListener() {<a name="line.130"></a>
<span class="sourceLineNo">131</span>            @Override<a name="line.131"></a>
<span class="sourceLineNo">132</span>            public void valueChange(Property.ValueChangeEvent event) {<a name="line.132"></a>
<span class="sourceLineNo">133</span>                JObjectChooser.this.selectSort();<a name="line.133"></a>
<span class="sourceLineNo">134</span>            }<a name="line.134"></a>
<span class="sourceLineNo">135</span>        };<a name="line.135"></a>
<span class="sourceLineNo">136</span>        this.sortComboBox.addValueChangeListener(sortListener);<a name="line.136"></a>
<span class="sourceLineNo">137</span>        this.reverseCheckBox.addValueChangeListener(sortListener);<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span>        // Populate table<a name="line.139"></a>
<span class="sourceLineNo">140</span>        this.selectType(type != null ? type : this.typeContainer.getRootType(), true);<a name="line.140"></a>
<span class="sourceLineNo">141</span>    }<a name="line.141"></a>
<span class="sourceLineNo">142</span><a name="line.142"></a>
<span class="sourceLineNo">143</span>    /**<a name="line.143"></a>
<span class="sourceLineNo">144</span>     * Get the object container for this instance.<a name="line.144"></a>
<span class="sourceLineNo">145</span>     *<a name="line.145"></a>
<span class="sourceLineNo">146</span>     * @return associated object container<a name="line.146"></a>
<span class="sourceLineNo">147</span>     */<a name="line.147"></a>
<span class="sourceLineNo">148</span>    public ExprQueryJObjectContainer getJObjectContainer() {<a name="line.148"></a>
<span class="sourceLineNo">149</span>        return this.objectContainer;<a name="line.149"></a>
<span class="sourceLineNo">150</span>    }<a name="line.150"></a>
<span class="sourceLineNo">151</span><a name="line.151"></a>
<span class="sourceLineNo">152</span>    /**<a name="line.152"></a>
<span class="sourceLineNo">153</span>     * Get the current type restriction, if any.<a name="line.153"></a>
<span class="sourceLineNo">154</span>     *<a name="line.154"></a>
<span class="sourceLineNo">155</span>     * @return current type restriction<a name="line.155"></a>
<span class="sourceLineNo">156</span>     */<a name="line.156"></a>
<span class="sourceLineNo">157</span>    public Class&lt;?&gt; getType() {<a name="line.157"></a>
<span class="sourceLineNo">158</span>        return this.objectContainer.getType();<a name="line.158"></a>
<span class="sourceLineNo">159</span>    }<a name="line.159"></a>
<span class="sourceLineNo">160</span><a name="line.160"></a>
<span class="sourceLineNo">161</span>    /**<a name="line.161"></a>
<span class="sourceLineNo">162</span>     * Get the type table.<a name="line.162"></a>
<span class="sourceLineNo">163</span>     *<a name="line.163"></a>
<span class="sourceLineNo">164</span>     * @return type selection table<a name="line.164"></a>
<span class="sourceLineNo">165</span>     */<a name="line.165"></a>
<span class="sourceLineNo">166</span>    public TypeTable getTypeTable() {<a name="line.166"></a>
<span class="sourceLineNo">167</span>        return this.typeTable;<a name="line.167"></a>
<span class="sourceLineNo">168</span>    }<a name="line.168"></a>
<span class="sourceLineNo">169</span><a name="line.169"></a>
<span class="sourceLineNo">170</span>    /**<a name="line.170"></a>
<span class="sourceLineNo">171</span>     * Get the component containing the type chooser and object panel.<a name="line.171"></a>
<span class="sourceLineNo">172</span>     *<a name="line.172"></a>
<span class="sourceLineNo">173</span>     * @return object panel<a name="line.173"></a>
<span class="sourceLineNo">174</span>     */<a name="line.174"></a>
<span class="sourceLineNo">175</span>    public HorizontalSplitPanel getObjectPanel() {<a name="line.175"></a>
<span class="sourceLineNo">176</span>        return this.splitPanel;<a name="line.176"></a>
<span class="sourceLineNo">177</span>    }<a name="line.177"></a>
<span class="sourceLineNo">178</span><a name="line.178"></a>
<span class="sourceLineNo">179</span>    /**<a name="line.179"></a>
<span class="sourceLineNo">180</span>     * Get the currently selected object, if any.<a name="line.180"></a>
<span class="sourceLineNo">181</span>     *<a name="line.181"></a>
<span class="sourceLineNo">182</span>     * @return selected object ID, or null if none<a name="line.182"></a>
<span class="sourceLineNo">183</span>     */<a name="line.183"></a>
<span class="sourceLineNo">184</span>    public ObjId getObjId() {<a name="line.184"></a>
<span class="sourceLineNo">185</span>        return this.objectTable != null ? (ObjId)this.objectTable.getValue() : null;<a name="line.185"></a>
<span class="sourceLineNo">186</span>    }<a name="line.186"></a>
<span class="sourceLineNo">187</span><a name="line.187"></a>
<span class="sourceLineNo">188</span>    /**<a name="line.188"></a>
<span class="sourceLineNo">189</span>     * Get the form with the sort chooser and expression text area.<a name="line.189"></a>
<span class="sourceLineNo">190</span>     *<a name="line.190"></a>
<span class="sourceLineNo">191</span>     * @return expression form<a name="line.191"></a>
<span class="sourceLineNo">192</span>     */<a name="line.192"></a>
<span class="sourceLineNo">193</span>    public FormLayout getShowForm() {<a name="line.193"></a>
<span class="sourceLineNo">194</span>        return this.showForm;<a name="line.194"></a>
<span class="sourceLineNo">195</span>    }<a name="line.195"></a>
<span class="sourceLineNo">196</span><a name="line.196"></a>
<span class="sourceLineNo">197</span>    /**<a name="line.197"></a>
<span class="sourceLineNo">198</span>     * Get the {@link JClass} corresponding to the currently selected type, if any.<a name="line.198"></a>
<span class="sourceLineNo">199</span>     *<a name="line.199"></a>
<span class="sourceLineNo">200</span>     * @return selected type object type<a name="line.200"></a>
<span class="sourceLineNo">201</span>     */<a name="line.201"></a>
<span class="sourceLineNo">202</span>    public JClass&lt;?&gt; getJClass() {<a name="line.202"></a>
<span class="sourceLineNo">203</span>        final Class&lt;?&gt; type = this.objectContainer.getType();<a name="line.203"></a>
<span class="sourceLineNo">204</span>        if (type == null)<a name="line.204"></a>
<span class="sourceLineNo">205</span>            return null;<a name="line.205"></a>
<span class="sourceLineNo">206</span>        try {<a name="line.206"></a>
<span class="sourceLineNo">207</span>            return this.jdb.getJClass(type);<a name="line.207"></a>
<span class="sourceLineNo">208</span>        } catch (IllegalArgumentException e) {<a name="line.208"></a>
<span class="sourceLineNo">209</span>            return null;<a name="line.209"></a>
<span class="sourceLineNo">210</span>        }<a name="line.210"></a>
<span class="sourceLineNo">211</span>    }<a name="line.211"></a>
<span class="sourceLineNo">212</span><a name="line.212"></a>
<span class="sourceLineNo">213</span>// Property.ValueChangeNotifier<a name="line.213"></a>
<span class="sourceLineNo">214</span><a name="line.214"></a>
<span class="sourceLineNo">215</span>    @Override<a name="line.215"></a>
<span class="sourceLineNo">216</span>    public void addValueChangeListener(Property.ValueChangeListener listener) {<a name="line.216"></a>
<span class="sourceLineNo">217</span>        if (listener == null)<a name="line.217"></a>
<span class="sourceLineNo">218</span>            throw new IllegalArgumentException("null listener");<a name="line.218"></a>
<span class="sourceLineNo">219</span>        this.listeners.add(listener);<a name="line.219"></a>
<span class="sourceLineNo">220</span>        if (this.objectTable != null)<a name="line.220"></a>
<span class="sourceLineNo">221</span>            this.objectTable.addValueChangeListener(listener);<a name="line.221"></a>
<span class="sourceLineNo">222</span>    }<a name="line.222"></a>
<span class="sourceLineNo">223</span><a name="line.223"></a>
<span class="sourceLineNo">224</span>    @Override<a name="line.224"></a>
<span class="sourceLineNo">225</span>    public void removeValueChangeListener(Property.ValueChangeListener listener) {<a name="line.225"></a>
<span class="sourceLineNo">226</span>        if (listener == null)<a name="line.226"></a>
<span class="sourceLineNo">227</span>            return;<a name="line.227"></a>
<span class="sourceLineNo">228</span>        this.listeners.remove(listener);<a name="line.228"></a>
<span class="sourceLineNo">229</span>        if (this.objectTable != null)<a name="line.229"></a>
<span class="sourceLineNo">230</span>            this.objectTable.removeValueChangeListener(listener);<a name="line.230"></a>
<span class="sourceLineNo">231</span>    }<a name="line.231"></a>
<span class="sourceLineNo">232</span><a name="line.232"></a>
<span class="sourceLineNo">233</span>    @Override<a name="line.233"></a>
<span class="sourceLineNo">234</span>    public void addListener(Property.ValueChangeListener listener) {<a name="line.234"></a>
<span class="sourceLineNo">235</span>        this.addValueChangeListener(listener);<a name="line.235"></a>
<span class="sourceLineNo">236</span>    }<a name="line.236"></a>
<span class="sourceLineNo">237</span><a name="line.237"></a>
<span class="sourceLineNo">238</span>    @Override<a name="line.238"></a>
<span class="sourceLineNo">239</span>    public void removeListener(Property.ValueChangeListener listener) {<a name="line.239"></a>
<span class="sourceLineNo">240</span>        this.removeValueChangeListener(listener);<a name="line.240"></a>
<span class="sourceLineNo">241</span>    }<a name="line.241"></a>
<span class="sourceLineNo">242</span><a name="line.242"></a>
<span class="sourceLineNo">243</span>// GUI Updates<a name="line.243"></a>
<span class="sourceLineNo">244</span><a name="line.244"></a>
<span class="sourceLineNo">245</span>    // Invoked when a type is clicked on<a name="line.245"></a>
<span class="sourceLineNo">246</span>    private void selectType(Class&lt;?&gt; type, boolean force) {<a name="line.246"></a>
<span class="sourceLineNo">247</span><a name="line.247"></a>
<span class="sourceLineNo">248</span>        // Anything to do?<a name="line.248"></a>
<span class="sourceLineNo">249</span>        if (type == null)<a name="line.249"></a>
<span class="sourceLineNo">250</span>            return;<a name="line.250"></a>
<span class="sourceLineNo">251</span>        if (!this.setNewType(!type.equals(Object.class) ? type : null, force))<a name="line.251"></a>
<span class="sourceLineNo">252</span>            return;<a name="line.252"></a>
<span class="sourceLineNo">253</span><a name="line.253"></a>
<span class="sourceLineNo">254</span>        // Get previous sort key<a name="line.254"></a>
<span class="sourceLineNo">255</span>        final SortKeyContainer.SortKey previousSort = (SortKeyContainer.SortKey)this.sortComboBox.getValue();<a name="line.255"></a>
<span class="sourceLineNo">256</span><a name="line.256"></a>
<span class="sourceLineNo">257</span>        // Rebuild the sort combobox<a name="line.257"></a>
<span class="sourceLineNo">258</span>        final JClass&lt;?&gt; jclass = this.getJClass();<a name="line.258"></a>
<span class="sourceLineNo">259</span>        this.sortKeyContainer = jclass != null ?<a name="line.259"></a>
<span class="sourceLineNo">260</span>          new SortKeyContainer(this.jdb, jclass) : new SortKeyContainer(this.jdb, this.objectContainer.getType());<a name="line.260"></a>
<span class="sourceLineNo">261</span>        this.sortComboBox.setContainerDataSource(this.sortKeyContainer);<a name="line.261"></a>
<span class="sourceLineNo">262</span><a name="line.262"></a>
<span class="sourceLineNo">263</span>        // Try to restore previous sort, otherwise default to sorting by object ID<a name="line.263"></a>
<span class="sourceLineNo">264</span>        SortKeyContainer.SortKey newSort = this.sortKeyContainer.getJavaObject(previousSort);<a name="line.264"></a>
<span class="sourceLineNo">265</span>        if (newSort == null)<a name="line.265"></a>
<span class="sourceLineNo">266</span>            newSort = this.sortKeyContainer.new ObjectIdSortKey();<a name="line.266"></a>
<span class="sourceLineNo">267</span>        this.sortComboBox.setValue(newSort);<a name="line.267"></a>
<span class="sourceLineNo">268</span>        this.selectSort();<a name="line.268"></a>
<span class="sourceLineNo">269</span>        this.showObjects();<a name="line.269"></a>
<span class="sourceLineNo">270</span>    }<a name="line.270"></a>
<span class="sourceLineNo">271</span><a name="line.271"></a>
<span class="sourceLineNo">272</span>    // Update sort based on current selection<a name="line.272"></a>
<span class="sourceLineNo">273</span>    private void selectSort() {<a name="line.273"></a>
<span class="sourceLineNo">274</span>        this.selectSort((SortKeyContainer.SortKey)this.sortComboBox.getValue(), this.reverseCheckBox.getValue());<a name="line.274"></a>
<span class="sourceLineNo">275</span>    }<a name="line.275"></a>
<span class="sourceLineNo">276</span><a name="line.276"></a>
<span class="sourceLineNo">277</span>    // Invoked when a sort choice is made<a name="line.277"></a>
<span class="sourceLineNo">278</span>    private void selectSort(SortKeyContainer.SortKey sortKey, boolean reverse) {<a name="line.278"></a>
<span class="sourceLineNo">279</span>        if (sortKey == null)<a name="line.279"></a>
<span class="sourceLineNo">280</span>            return;<a name="line.280"></a>
<span class="sourceLineNo">281</span>        this.exprField.setValue(sortKey.getExpression(this.session, null, reverse));          // TODO: starting point<a name="line.281"></a>
<span class="sourceLineNo">282</span>        this.showObjects();<a name="line.282"></a>
<span class="sourceLineNo">283</span>    }<a name="line.283"></a>
<span class="sourceLineNo">284</span><a name="line.284"></a>
<span class="sourceLineNo">285</span>    // Invoked when "Show" button is clicked<a name="line.285"></a>
<span class="sourceLineNo">286</span>    private void showButtonClicked() {<a name="line.286"></a>
<span class="sourceLineNo">287</span>        this.setNewType(null, false);<a name="line.287"></a>
<span class="sourceLineNo">288</span>        this.typeTable.setValue(null);<a name="line.288"></a>
<span class="sourceLineNo">289</span>        this.showObjects();<a name="line.289"></a>
<span class="sourceLineNo">290</span>    }<a name="line.290"></a>
<span class="sourceLineNo">291</span><a name="line.291"></a>
<span class="sourceLineNo">292</span>    private void showObjects() {<a name="line.292"></a>
<span class="sourceLineNo">293</span>        this.objectContainer.setContentExpression(this.exprField.getValue());<a name="line.293"></a>
<span class="sourceLineNo">294</span>    }<a name="line.294"></a>
<span class="sourceLineNo">295</span><a name="line.295"></a>
<span class="sourceLineNo">296</span>    private boolean setNewType(Class&lt;?&gt; type, boolean force) {<a name="line.296"></a>
<span class="sourceLineNo">297</span>        final Class&lt;?&gt; currentType = this.objectContainer.getType();<a name="line.297"></a>
<span class="sourceLineNo">298</span>        if (!force &amp;&amp; (currentType != null ? currentType.equals(type) : type == null))<a name="line.298"></a>
<span class="sourceLineNo">299</span>            return false;<a name="line.299"></a>
<span class="sourceLineNo">300</span>        if (this.objectTable != null) {<a name="line.300"></a>
<span class="sourceLineNo">301</span>            for (Property.ValueChangeListener listener : this.listeners)<a name="line.301"></a>
<span class="sourceLineNo">302</span>                this.objectTable.removeValueChangeListener(listener);<a name="line.302"></a>
<span class="sourceLineNo">303</span>            this.splitPanel.removeComponent(this.objectTable);<a name="line.303"></a>
<span class="sourceLineNo">304</span>        }<a name="line.304"></a>
<span class="sourceLineNo">305</span>        this.objectContainer.setType(type);<a name="line.305"></a>
<span class="sourceLineNo">306</span>        this.objectContainer.load(Collections.&lt;JObject&gt;emptySet());<a name="line.306"></a>
<span class="sourceLineNo">307</span>        this.objectTable = new JObjectTable(this.jdb, this.objectContainer, this.session, this.showFields);<a name="line.307"></a>
<span class="sourceLineNo">308</span>        for (Property.ValueChangeListener listener : this.listeners)<a name="line.308"></a>
<span class="sourceLineNo">309</span>            this.objectTable.addValueChangeListener(listener);<a name="line.309"></a>
<span class="sourceLineNo">310</span>        this.splitPanel.setSecondComponent(this.objectTable);<a name="line.310"></a>
<span class="sourceLineNo">311</span>        this.objectTable.setValue(null);<a name="line.311"></a>
<span class="sourceLineNo">312</span>        final Property.ValueChangeEvent event = new Property.ValueChangeEvent() {<a name="line.312"></a>
<span class="sourceLineNo">313</span>            @Override<a name="line.313"></a>
<span class="sourceLineNo">314</span>            public Property&lt;?&gt; getProperty() {<a name="line.314"></a>
<span class="sourceLineNo">315</span>                return JObjectChooser.this.objectTable;<a name="line.315"></a>
<span class="sourceLineNo">316</span>            }<a name="line.316"></a>
<span class="sourceLineNo">317</span>        };<a name="line.317"></a>
<span class="sourceLineNo">318</span>        for (Property.ValueChangeListener listener : new HashSet&lt;Property.ValueChangeListener&gt;(this.listeners)) {<a name="line.318"></a>
<span class="sourceLineNo">319</span>            try {<a name="line.319"></a>
<span class="sourceLineNo">320</span>                listener.valueChange(event);<a name="line.320"></a>
<span class="sourceLineNo">321</span>            } catch (Exception e) {<a name="line.321"></a>
<span class="sourceLineNo">322</span>                this.log.error("exception thrown by value change listener", e);<a name="line.322"></a>
<span class="sourceLineNo">323</span>            }<a name="line.323"></a>
<span class="sourceLineNo">324</span>        }<a name="line.324"></a>
<span class="sourceLineNo">325</span>        return true;<a name="line.325"></a>
<span class="sourceLineNo">326</span>    }<a name="line.326"></a>
<span class="sourceLineNo">327</span>}<a name="line.327"></a>
<span class="sourceLineNo">328</span><a name="line.328"></a>




























































</pre>
</div>
</body>
</html>
